CN105110213A - Crane provided with counterweight balance mechanism adopting dead weight of hoisted object as well as crane transformation scheme - Google Patents
Crane provided with counterweight balance mechanism adopting dead weight of hoisted object as well as crane transformation scheme Download PDFInfo
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Abstract
A crane provided with a counterweight balance mechanism adopting the dead weight of a hoisted object is characterized in that a foldable first suspension arm is connected and fixed to the other end through a connecting pin and multiple suspension arm segments are stacked and retracted sequentially in the telescopic variable-amplitude first suspension arm. During hoisting operation, a hydraulic jack is propped up to keep balance of the whole crane chassis, a support suspender is propped up to be erected on a fixed seat at a center of a rotation disc, the suspension arm is horizontally arranged and fixed at the top end of the support suspender and forms a T-shaped suspension arm with the support suspender, the tail part of the suspension arm is pulled and connected to a level power arm of the counterweight balance mechanism on the rotation disc through a steel wire rope, the hoisted object pulls a lever of the counterweight balance mechanism upwards with the support suspender as a fulcrum by the aid of the suspension arm, pulling force is divided into downward pressure borne by four front and rear corners of a bearing frame of the rotation disc and upward pulling force borne by two fulcrums in the middle through the counterweight balance mechanism, and the pressure and the force are offset by downward pressure of the support suspender, so that balance is realized and hoisting operation safety is guaranteed.
Description
Technical field
With the elevator machinery playing weight own wt counterweight balancing mechanism, belonging to manufacturing equipment industry, is elevator machinery technical field according to body.
Technical background
China's elevator machinery industry oneself have passed through the development of ISUZU company, take a broad view of the development course of ISUZU company, grow out of nothing from small to large, progressively define more complete system, become one of the fastest new industry of China's amplification, existing oneself becomes civilian elevator machinery big producing country of the world and uses big country.
Although China's development of ISUZU company time, western countries' development of more than 100 year has been caught up with and surpassed in output and the application of elevator machinery, oneself becomes production application big country, but at technical performance,, also there is larger gap in the aspects such as products innovation upgrading and raising load-carrying ability safety performance compared with western countries.Especially along with China, to greatly develop equipment large-scale, heavy-duty, as ocean is salvaged, thermoelectricity, nuclear power, oil production, petrochemical complex, large-scale ultra-large type bridge construction, span is surpassed with large span, high-rise building, green building and ferro-concrete are rectified framework component assembled architecture new process, more highlight the load-carrying ability of elevator machinery, lifting operation height, the deficiencies such as scope, for executing the modernization of industry of answering Modern High-Speed to develop, equipment manufacture is towards maximizing and the needs of green building, the renewal of practical solution elevator machinery, regenerate, upgrading, improve load-carrying ability and optimize scope of work, improve elevator machinery job safety performance and seem particularly important.
The elevator machinery of half invention balance weight mechanism for this reason, effective raising load-carrying ability and the safety performance of lifting operation.In conjunction with the national conditions of China, report the principle of getting more done on less money, utilize the condition precedent that the existing elevator machinery storage world of China is maximum, scientific and effective transformation and upgrade are carried out to elevator machinery, to adapt to the needs of China's all trades and professions high speed development needs and industrialization modernization, equipment enlarging and build-up type Green Architectural Development.
Summary of the invention
Novel utilization of the present invention plays the elevator machinery of weight weight counterweight balancing mechanism and adopts this counterweight balancing mechanism to carry out transformation and upgrade to the hoisting crane maple just widely used now, and improves load-carrying ability and strengthens lifting operation safety performance.
First technical matters that Novel counterweight of the present invention balance structure solves makes full use of mechanical structure, scientific and reasonable configuration stress point and Impact direction, utilizes opposite force in transmittance process, negative interaction power Xiang Hu Arrived to be disappeared balance.
Second technical matters that the elevator machinery of Novel counterweight equalizing gear of the present invention solves is, Bian is with many cover leverages and how the fixed and moving assembly pulley of cover is through Steel rope drive, playing weight Heavy Weight power, to carry out transmitting, turning to, increase and decrease, distribute angle, four limits Zhuo finally realizing revolving support square frame-shaped frame be downward pressure, and limit, middle left and right is pulling force upwards and the pressure power Arrived downward with the strut bar of center disappears and balance.
The 4th technical matters that Novel counterweight equalizing gear of the present invention solves and beneficial effect are: the mass eliminating elevator machinery, use Novel counterweight equalizing gear, have utilized weight own wt for lifting operation counterweight balance.
The 5th technical matters that the elevator machinery of Novel counterweight equalizing gear of the present invention solves with beneficial effect is: make use of three effective steel plates of cylindrical steel as being fixedly connected with dish, three of parallel side-by-side steel pipe one end faces are evenly mounted in steel plate terminal pad, the other end is that each independently three equidistant formation triangles of steel pipe are joint gib and a fixed link, three steel external diameters of second section are less than the internal diameter of first segment three steel, what second section three steel pipes inserting were applied mutually one saves in three steel pipes, same Section of 3 three steel pipes can insert in three steel pipes of second section, thus realize telescopic lifting or luffing, the hydraulic top utilizing three steel pipe intermediate spaces to arrange drives and realizes flexible luffing, not only make use of the steel cylindrical tube large and triangle stability of power by bending, also solve round steel pipe to do slip joint and easily rotate the difficult problem that can not locate.
The 6th technical matters that the present invention solves and beneficial effect are: Novel counterweight equalizing gear is of many uses, be applicable on various stationary crane tool or on various moving wheeled type elevator machinery or on various crawler-type mobile elevator machinery, also can reequip present widely used elevator machinery simultaneously, use this counterweight balancing mechanism improve elevator machinery range of use, improve load-carrying ability and lifting operation safety.
7th technical matters and the beneficial effect of the various universal elevator machinery of Novel counterweight equalizing gear of the present invention and large-scale heavy type or the solution of ultra-large type heavy-duty lifting machine are: because science makes full use of mechanical structure and principle reasonable disposition, the all or part of counterweight bogie eliminating mass or elevator machinery, the number of units decreasing equipment considerably reduces manufacturing cost.
Accompanying drawing explanation
As shown in Figure 1, be Novel movable wheel crane tool overall schematic of the present invention.
As shown in Figure 2, be the Novel counterweight equalizing gear schematic diagram without mass.
As shown in Figure 3, for each three in New crane machinery strut bar and arm bar save oneself schematic diagram of stretching out completely of hydraulic top.
As shown in Figure 4, for Novel movable wheel crane tool supports the schematic diagram that strut bar also stretches out three pair rod completely.
As shown in Figure 5, for Novel movable wheel crane tool stretches out a strut bar also lifting arm bar schematic diagram.
As shown in Figure 6, for Novel movable wheel crane tool has possessed the highest lifting height and maximum lifting operation scope schematic diagram.
As shown in Figure 7, for novel heavy duty or ultra-large type heavy-duty lifting machine are arranged on, the diagram in the revolving support frame on elevator machinery chassis.
Detailed description of the invention
For making the advantage of New crane machinery of the present invention, characteristic sum utilized weight own wt breed the New crane machinery of equalizing gear and the structure of novel heavy duty elevator machinery and the elevator machinery transformation just widely used existing, upgrading technical scheme simpler aobvious understandable, below in conjunction with specific embodiment more further continuous in detail state as follows:
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6: a kind of weight own wt that utilized is as counterweight balancing mechanism, New crane machinery, it mainly contains the overall chassis (1) of loop wheel machine, it is scalable that four covers are equipped with in crane chassis bottom, lifting, load bearing support is used for the hydraulic top (2) of stable connection of balancing hoisting machine and ground base, with the revolving support be fixed on chassis and load-bearing frame (3), revolving support frame is fixed wtih the mechanism of weight own wt counterweight balance (4) can have been utilized to form, its being fixedly connected with of suspension rod lower end is coiled and the outer straight mouth (6) in location, (7), insert be fixed on revolving support frame center suspension rod permanent seat (5) in straight mouth and join pin connection, be connected to lower of the hydraulic top (8) of revolving support front portion, be connected to the hydraulic top lower fulcrum (9) of revolving support front portion, when supporting suspension rod operation, first the hydraulic actuating cylinder of propping steeve is interior for high pressure liquid force feed, make hydraulic top with fulcrum (8) for lower support point, with fulcrum (9) for the upper strong point and jack-up suspension rod from the suspension rod rotated ninety degrees clockwise of horizontal on chassis bracket, until standing upright is in revolving support center, when supplying high pressure liquid force feed in the hydraulic actuating cylinder to the three joint assembled hydraulic tops be fixed in first segment suspension rod, under the effect of hydraulic top, make second section suspension rod stretch out in first segment suspension rod, arm pulls away with the arm cushion block (10) be fixed on first segment suspension rod and arm simultaneously, section three, suspension rod stretches out in second section suspension rod, second section suspension rod (12) in first segment suspension rod (11) and Section of three suspension rod (13) in second section suspension rod are stretched out suspension rod is all stretched out to reach the highest scope of work of lifting operation, the handing-over pin (14) utilizing Section of three suspension rod upper end to fix arm is subsequently fulcrum and Section of three suspension rod connecting pin (15) and hydraulic pressure top fulcrum and first segment arm (17) bottom suspension arm support hydraulic top, be sleeved on the second section arm (18) in first segment arm and be fixedly set in the lifting wire rope pulley (19) of Section of three arm end in second section arm, the secondary suspension hook (20) of lifting and main suspension hook (21), before hoisting heavy, first suspension rod being stretched out is applicable to by the lifting of lifting object height, recycling support arm hydraulic top lower end and suspension rod join sells (15) for lower fulcrum, be connected to join with first segment arm with hydraulic pressure top and sell (16) for upper fulcrum, for high pressure force feed at night in hydraulic actuating cylinder, under the top lift effect of hydraulic top, make to be connected with suspension rod with the arm of suspension rod parallel upright to join and sell left-hand revolution 90 degree centered by (14), parallel the lying prone of arm is made to be connected on Xing Cheng Xia font on suspension rod top, the top of vertical suspension rod, the parallel arm of support and connection (17), according to lifting object distance suspension rod centre distance, warp-wise hydraulic actuating cylinder is interior injects high pressure oil to utilize three joint combined liquids of arm (17) inner side to bear down on one, force first segment piston top masthead second section hoisting arm expansion joint second section piston top masthead Section of three hoisting arm expansion joint simultaneously of hydraulic actuating cylinder, thus achieve the luffing function of adjustment lifting operation scope, while the lifting of adjustment suspension rod and suspension arm variable-amplitude scope, utilize crane winch (47), the tightness of winch (48) synchronous adjustment two hoist ropes and two steel slide fasteners is adjusted with steel slide fastener, to keep suspension rod vertical, the parallel stable mode of operation of arm, when weight sling by suspension hook, the fixed pulley of footpath arm termination (19) pulls down arm and joins with suspension rod and arm and sells (14) fixed mount integrally for fulcrum, the coupling link (22) making first segment arm afterbody fix steel slide fastener is fixed on left side lever power arm brace (25) in the middle part of counterweight balancing mechanism by steel slide fastener to pull-up, make lever left power armed lever (26) the right lever moving arm (36) on equalizing gear and power armed lever (37) simultaneously by equal pulling force upwards, and to be fixed on (27) of both sides in the middle part of revolving support frame, (38) be fulcrum, make lever left resistance arm (28), pull bar (29) pulls down lever moving arm (30) above and through fulcrum (34) arm afterbody pulling force is upwards become downward pressure through fulcrum (31) resistance arm (32) limit lever moving arm (33) of upwards leaving behind and be pressed on the rear side corner bracket of the left side frame of revolving support frame, simultaneously same with lever left equal in pulling force upwards, draw right middle lever moving arm (36) and power armed lever (37) power upwards, right side central fulcrum (38) through being fixed on revolving support make resistance arm (39) pulled down by pull bar (40) above lever moving arm (41) with (42) for fulcrum through resistance arm (43) to pull-up right lower quadrant lever moving arm (44), on the corner frame on pull bar (44) right side after the fulcrum (45) be fixed on the right side of in the middle part of revolving support frame transfers downward pressure to and is pressed in revolving support frame, the counterweight balance machine that leverages combine is overlapped in the left and right of suspension rod each three in a word, all utilized weight own wt through suspension hook, hoist rope, with arm to suspension rod upper end for power arm, with suspension rod upper end with suspension rod for fulcrum, with suspension rod upper end to arm afterbody for resistance arm, when hang fishing sling weight time, play weight weight through hoist rope, to be that power arm is stressed pull down power arm and arm with boom tip fixed pulley, simultaneously to pressing down fulcrum and suspension rod upper end, and transfer resistance arm and arm afterbody to pull-up two steel slide fasteners, be fixed on left and right two lever moving arms in the middle part of the counterweight balancing mechanism in revolving support square frame-shaped frame central to pull-up while of two steel slide fastener lower ends, four angles that pulling force is upwards assigned to revolving support square frame frame by counterweight balancing mechanism are downward pressure, and in the middle part of square bearer left and right two fulcrums to be pulling force upwards offset by the downward pressure of suspension rod thus balance, by the many advantages of the foot that it makes use of mechanical structure, the suspension rod bearing supporting elevation adjustment hoisting height scope, lift the arm that luffing adjusts lifting operation scope and separate with bearing, suspension rod, arm all have employed the solid drawn pipe large stressed uniform advantage of ability by bending, by three steel pipe combination on same triangle terminal pad, take full advantage of leg-of-mutton stability and three steel pipes are plugged on successively separately in corresponding steel pipe and realize telescopic more piece suspension rod, arm, solve tubular telescopic boom simultaneously, arm easily rotates the difficult problem that cannot locate, also use three steel tube end parts, formed central space is put with triangular portion, arrange and drive slip joint hydraulic top, not only make three steel pipe uniform force, turnover oil pipe is put in portion of being also convenient to and being connected and fixed of hydraulic control parts is convenient to maintenance management, utilize the own wt counterweight balancing mechanism of weight, improvement upgrading is carried out to the existing elevator machinery just widely used, concrete improved procedure: utilize the chassis of former elevator machinery and be fixed on the revolving support on chassis, the lower end of former suspension rod is retrofitted in the center of revolving support, remove the load hook on former suspension rod top, assembly pulley, hoist rope, newly increase more piece intussusception and combine telescopic arm and suspension arm support hydraulic top and annex, the upper end of suspension rod is connected to join the mode of selling with the middle part of arm, under the effect on support hydraulic pressure top, make arm and suspension rod form T-shaped be connected and be lifting operation state, it is folding mobile status under changing longitudinal side-by-side parallel situation into, hoisting hook is fished, assembly pulley, hoist rope is retrofitted to arm front end face, and with wire rope pulley group or steel slide fastener arm afterbody, be connected with the lever moving arm in the middle part of counterweight balancing mechanism, be used for transmitting and balance to counterweight balancing mechanism from playing the weight transmitting of weight, again by the Hydraulic Pump of all hydraulic system, control block hydraulic unit with, turnover oil pipe, hydraulic top and crane winch, rise and reset running block, steel rope is connected and checks the connection of original design parts with repacking parts, debugging reaches renovation technique standard and normal use.
Embodiment 2: as shown in Figure 7: a kind of rotary support bar and gib and trammel beam also utilize the novel large of weight own wt counterweight balance, heavy-duty lifting machine, it mainly contains overall fixed underpan (1), balance with the adjustment being fixed on bottom, chassis and overlap hydraulic top (2) with four of ground engaging support, and the revolving support square frame frame (3) be fixed on chassis, lower end is fixed on the strut bar (63) of revolving support frame central, gib (64), trammel beam (65) and counterweight balancing mechanism (4) it centered by strut bar, the lower end (66) of strut bar is mounted in the center of revolving support frame, the front lower portion of strut bar is to join pin connection mode, be connected and fixed the lower end (68) of gib and drive the hydraulic top lower fulcrum 69 of gib luffing) go up fulcrum (70) strut bar rear lower to join pin connection mode, before and after upper fulcrum (72) post upper of hydraulic top lower fulcrum (71) being connected and fixed trammel beam lower end (67) and driven equilibrium bar luffing, corresponding both sides respectively connected a set of fixed pulley group (76), (77) two corresponding covers running block (75) are connected through many steel ropes, (78) gib upper rear and trammel beam upper-end front is connected to, between strut bar and gib two overlaps assembly pulleys and between strut bar and trammel beam, two steel ropes of two cover assembly pulleys are connected on the span winch (80) bottom strut bar, through span winch driving realizes gib and trammel beam while, synchronously, reverse luffing, the fixed pulley group (79) of gib upper end is connected to the running block in Crane hook through many hoist ropes, to be connected in the crane winch (81) bottom gib downwards along the gib back side through hoist rope, drive through winch and realize hoisting and hanging operation, the fixed pulley group (74) connected on rear side of trammel beam upper end is connected in running block (73) through many steel ropes, running block sockets in the middle part of counterweight balancing mechanism left to lower end steel slide fastener, on the power arm cylinder lever connecting rod (25) of right two cover levers, left and right two cover lever moving arm is all have a joint fixed knot cover to be filled with two joint slip joint (26) compositions, arrange a set of binodal hydraulic top in fixed knot to be used for driving two and to save the synchronous adjustment of slip joint and trammel beam luffing scope, ensure the running block that trammel beam upper end fixed pulley group connects through many steel ropes, with be connected and socket on counterweight balancing mechanism middle part, left and right lever moving arm sockets the vertical pulling force also transmitted upwards of a maintenance, be connected in the driving winch (82) bottom trammel beam through driving steel rope, the length realized between running block (73) that trammel beam upper end fixed pulley group (74) connects through many steel ropes is driven through winch, the adjustment of degree of tightness, to ensure that the steel slide fastener between the extendable lever power arm cylinder lever connecting rod (25) between gib (64) trammel beam (65) and trammel beam upper end fixed pulley group (74) to running block (73) in the middle part of steel rope and counterweight balancing mechanism keeps simultaneously, synchronous adjustment, when elevator machinery lifting operation, luffing hydraulic top and span winch (80) is utilized to drive gib and trammel beam simultaneously, with the reverse luffing of amplitude, the best lifting height of adjustment lifting operation and lifting operation scope, the fixed pulley group (74) of drawing anterior fixed pulley group (77) of post upper simultaneously to draw trammel beam upper-end front running block (75) to be connected and fixed through trammel beam upper rear through post upper rear portion fixed pulley group (76) through gib upper rear running block (78) when load hook (21) steel rope pulls down gib upper-end front fixed pulley group (79) while upwards retracts through many steel ropes and running block (73) left and right two lever moving arm cylinder lever connecting rod (25) turning counterweight balancing mechanism in frames through steel slide fastener, make the balance pivot being fixed on the strut bar left and right sides simultaneously by pulling force upwards, left and right lever resistance arm pulls down the left and right lever moving arm on top simultaneously, make lever left and right, the top fulcrum being fixed on revolving support frame front left right corner by downward pressure, the left and right lever resistance arm on top is upwards left behind the left and right lever moving arm in portion, make two fulcrums of the left and right sides, middle part being fixed on revolving support frame by pulling force upwards, resistance arm end has also been pressed on the rear portion left and right corner frame of revolving support frame by downward pressure simultaneously, well imagine that the own wt of weight passes to counterweight balancing mechanism (4) and through six cover leverages of left and right upper, middle and lower lifting power divided and join Give, the corner, front and back of the square frame-shaped frame on revolving support is by downward pressure, distribute to square frame central rack left and right sides on revolving support and strut bar left and right sides by pulling force upwards simultaneously, this power is simultaneously by counteracted by pressure that strut bar is downward, add corner simultaneously by downward pressure, the square frame-shaped frame of its whole revolving support is made to keep balance, mainly the strut bar in revolving support frame is put in portion, vertical centering control stands in the center of revolving support frame, front and back are the equidistant of setting, contour, Deng heavy, same luffing whim drives, equal luffing hydraulic top also simultaneously, same amplitude, counter motion luffing and antagonistic force of cancelling out each other, thus keep balance, the counterweight balancing mechanism of this patent for this reason, with large-scale, heavy-duty lifting machine, from mechanical structure to counterweight balance principle, all highlight heavy-duty lifting machine and increase considerably load-carrying ability, strengthen stability, improve the potentiality of safety, for towards large-scale, heavy-duty development pad has determined solid foundation and technical guarantee, utilize the technical scheme of weight own wt counterweight balancing mechanism, transformation and upgrade are carried out to the existing universal elevator machinery widely used, it is made to have increased considerably ability, the stability of lifting operation scope and lifting operation and safety, concrete improved procedure: the chassis and the revolving support that utilize former elevator machinery, the Chinese heart position bottom of former suspension rod being retrofitted to revolving support changes strut bar into, at the lower-end front portion of strut bar, gib is set, rear portion arranges trammel beam, the hydraulic top driving luffing is set in gib outer lower portion and trammel beam outer lower portion respectively, the driving winch of degree of tightness is connected with counterweight balancing mechanism with the whim of collaborative two bar luffings and adjustment trammel beam, steel rope, determine running block and steel slide fastener and be interconnected device, assemble the load hook of gib upper end, assembly pulley hoist rope, by the Hydraulic Pump of hydraulic efficiency pressure system, control cock, oil-feed, oil return pipe, hydraulic top is interconnected, check and check whole original design parts and the connection of reequiping parts, debugging reaches renovation technique standard and normal use.
Embodiment 3 is as shown in Figure 7: be a kind of fixed pedestal bar, rotate gib and trammel beam, and utilized the super large heavy-duty lifting machine of weight own wt counterweight balancing mechanism, its load-carrying ability can from a few kiloton to ton up to ten thousand not etc., the equal super large of weight is amassed by lifting objects, overweight, superelevation, lifting operation scope is larger, higher, lifting operation component difficulty is large, in general in hoisting process, storm can be run into unavoidably, the surprise attack of typhoon, the strut bar that the elevator machinery of positive lifting operation is higher may be made, gib, trammel beam light swing unbalance damage slewing bearing cause the accident, weigh and make that elevator machinery is overall unbalancely topples over generation grave accident, for closing the generation of exempting from this type of accident, ensure the surprise attack bearing rough weather when lifting operation, ensure the safety of elevator machinery and a weight, the super large heavy-duty lifting machine of this patent for this reason, the basis of former large heavy-duty lifting machine makes an adjustment optimization again further to structure, strengthen balance and stability measure, enhance the stability safety of lifting operation, load-carrying ability and lifting operation scope are increased considerably, make it improve from large heavy-duty lifting machine to upgrade to, ultra-large type, superduty New crane machinery, it is former large heavy New crane machinery, the strut bar lower end being mounted in revolving support center is separated with revolving support, the pipe that strut bar lower end large-diameter steel pipe or cast steel are made is made terminal pad, the inner disc of revolving support is reaction plate, outer disk is for rotating Moving plate.The external diameter of pipe is standard according to slewing bearing inner disc internal diameter, through lathe fine limit work, in the mode of tighter free-running fit, strut bar lower end tubular terminal pad is inserted in slewing bearing inner disc inner circle, and be fixed as one with the chassis of elevator machinery or ground base, namely strut bar passes with comparatively flush fit gap and fixes in slewing bearing inner disc inner circle, and then be directly connected and fixed with the chassis of elevator machinery or basis, and the pressure that strut bar transmission is got off is directly passed to chassis or ground base, the rotating disk of price fixing and Moving plate bearing is had at the upper end build-in one of strut bar, the inner disc of rotating disk is reaction plate, the lower end of reaction plate to be fixedly connected on post upper terminal pad and to interfix, the upper end of price fixing is connected and fixed support masthead, support on masthead and be welded and fixed the steel plate disk of 30 to six ten millimeters thick, above steel plate disk circumferentially, the mode of dividing equally 360 deg circumference with 30 degree is welded and fixed 12 equally spaced connection annulus, each annulus is respectively connected and fixed one and can bears 50 tons with the steel slide fastener of upper pulling force, the lower end steel rope of steel slide fastener and the tight rope winch of adjustment tightness of steel wire rope, tight rope winch is fixed on ground earth anchor, load-bearing earth anchor all can possess the pulling force bearing more than 30 tons or 50 tons, adopt to be connected with the load-bearing earth anchor on ground through tight rope winch with three of 102 degree of equal circumference steel slide fasteners and steel rope and be strained and fixed, be used for protecting the change in weather when lifting operation, when there being the surprise attack of storm or typhoon, as elevator machinery just lifting weight be just suspended on high aerial when, ensure the safety and stability of lifting operation to greatest extent, guarantee the safety of super large heavy-duty lifting machine and a weight, concrete Bian is with being connected in 12 steel slide fasteners of supporting bar top for this reason, wherein at a distance of three steel slide fasteners of angle 120 degree, steel rope through connecting and tight rope winch to be connected with ground load-bearing earth anchor and to be strained and fixed, when lifting operation is in luffing and rotary course, the lifting object of gib and trammel beam upper end, with the steel slide fastener or the steel rope that are connected counterweight balancing mechanism, strain in the three root guard ropes be connected to the load-bearing earth anchor on ground when rotating to from supporting bar top under rotary support drives, when wherein a steel slide fastener or steel rope hinder gib or trammel beam to rotate, first temporarily stop the rotation lifting operation, with the protective pull rope position rotated according to obstruction, the last upper end to hand of rotation is connected to the protective rope for subsequent use that plays that post upper disk lets droop, and with the totally three root guard stay cords of this protective pull rope each phase cell 102 degree of positions forwards, backwards, after tight rope winch adjustment tension connects and is fastening on mutually corresponding ground earth anchor, again former three root guard stay cords are removed the three root guard ropes using instead and newly fix to bear protection task, lifting operation could be started, and according to the anglec of rotation of lifting operation actual needs, the angle of exchanging protective rope successively implements protection, to guarantee that under adverse weather condition Bian gets emergent prevention scheme and carrys out safety and stability and complete lifting operation task, also Bian has got the outer disk of post upper rotating disk is Moving plate, can around strut bar 360 deg reciprocating rotary, the fixed pulley group (76) of two before and after former strut bar, (77) running block is changed into, and be fastened on separately, on the both sides that the Moving plate of post upper rotating disk is corresponding, on two correspondence positions of i.e. rotating disk Moving plate diameter excircle, originally the running block (78) being fixed on gib upper end is changed into fixed sliding group to be fixed on inside gib upper end and the driving steel rope fixed pulley connected downwards through gib lower end is redirect to strut bar lower end fixed pulley and turn to again and be connected in the former winch (80) of strut bar lower end, again former for trammel beam running block (75) being changed into fixed pulley group is fixed on inside trammel beam upper end, and driving steel rope is redirect to strut bar lower end fixed pulley through the fixed pulley of trammel beam lower end downwards turn to again and be connected in the former winch in strut bar lower end (80), two steel ropes in the driving whim (80) of i.e. strut bar lower end drive two steel ropes of gib and trammel beam luffing still to share a winch (80) and simultaneously respectively, synchronously, gib and trammel beam two bar is driven respectively simultaneously by two steel ropes with amplitude, synchronously, with amplitude reversing sense luffing, but after two steel ropes must change into and drawing in winch (80) wiring drum, respectively through a fixed pulley two steel ropes are side by side changed into and put towards the right counter-portion of a first from left, a fixed pulley in gib bottom turns to and is connected in luffing fixed pulley group, another steel cable turns to through the fixed pulley of trammel beam bottom and is connected in the fixing luffing fixed pulley group in trammel beam upper end, the while of realizing gib and trammel beam under the driving driving strand, synchronously, with amplitude reversing sense luffing and hoisting and hanging operation, fix a vertical shaft the bottom, four angles of revolving support square frame frame is each, vertical shaft lower end is fixed in the middle of a flat axle and forms the shape of Daoing Xia, each assembling one BOGEY WHEEL on the flat axle in vertical shaft left and right, corner is altogether by filling eight BOGEY WHEELs, eight BOGEY WHEEL rollings are fixed on the round circular orbit on elevator machinery chassis, eight BOGEY WHEELs of revolving support frame corner are fixed on when lifting operation, rolling to be fixed on elevator machinery chassis on round circular orbit and with revolving support simultaneously, synchronously, rotating in same direction, simultaneously gib and the downward pressure of trammel beam are passed on elevator machinery chassis with slip move mode, pass to through chassis in ground or ground base, it not only significantly alleviates the load of slewing bearing, also add the major diameter revolving support of taking turns rolling annular track-type than eight of large two or three times of slewing bearing strong point diameter, add the stable of lifting operation and safety, utilize the counterweight balance of weight own wt, when load hook slings weight with play weight equiponderant power pull down gib upper end through crown block group, this power part is passed to passback downwards through gib and is supported, another part draws the anterior running block of post upper through gib upper rear fixed pulley group, draw trammel beam upper-end front fixed pulley group through post upper rear portion running block simultaneously, through the fixed pulley group that trammel beam upper rear is connected and fixed, through many steel ropes and running block, upwards retracting through steel slide fastener turns in frames, two lever moving arm cylinder lever connecting rods about counterweight balancing mechanism, make the balance pivot being fixed on the strut bar left and right sides simultaneously by pulling force upwards, left and right lever resistance arm pulls down the left and right lever moving arm on top simultaneously, make lever left and right, the top fulcrum being fixed on revolving support frame front left right corner by downward pressure, the left and right lever resistance arm on top is upwards left behind the left and right lever moving arm in portion, make two fulcrums of the left and right sides being fixed on revolving support central rack by pulling force upwards, resistance arm end has also been pressed on the rear portion left and right corner frame of revolving support frame by downward pressure simultaneously, well imagine that the own wt of weight passes to counterweight balancing mechanism and through six cover leverages of left and right upper, middle and lower lifting power divided and join Give, the corner, front and back of the square frame-shaped frame on revolving support is by downward pressure, distribute to square frame central rack left and right sides on revolving support and strut bar left and right sides by pulling force upwards simultaneously, this power is simultaneously by counteracted by pressure that same square bearer corner is downward, the square frame-shaped frame of its whole revolving support is made to keep balance, mainly the strut bar in revolving support frame is put in portion, vertical centering control stands in the center of revolving support frame, front and back are the equidistant of setting, contour, Deng heavy, same luffing whim drives, equal luffing hydraulic top also simultaneously, same amplitude, counter motion luffing and antagonistic force of cancelling out each other, thus keep balance, the counterweight balancing mechanism of half invention for this reason, and ultra-large type, heavy-duty lifting machine, from mechanical structure to counterweight balance principle, all highlight heavy-duty lifting machine and increase considerably load-carrying ability, strengthen stability, improve the potentiality of safety, for towards large-scale, heavy-duty development pad has determined solid foundation and technical guarantee, stability and the safety of load-carrying capacity and lifting operation have been increased considerably for this reason.
The foregoing is only the New crane machinery having utilized weight own wt counterweight balancing mechanism; with utilize novel counterweight balancing mechanism to the existing elevator machinery just widely used; the embodiment technical scheme of carrying out transformation and upgrade is preferred embodiment scheme; not to limit half invention technical scheme; all within the concept of half invention elevator machinery; any amendment of doing, equal replacement, improvement etc., within the protection domain that all should be included in half invention elevator machinery.
Claims (18)
1. one kind has utilized weight own wt as the New crane machinery of counterweight balancing mechanism, it mainly contains the overall chassis (1) of loop wheel machine, it is scalable that four covers are equipped with in crane chassis bottom, lifting, load bearing support is used for the hydraulic top (2) of stable connection of balancing hoisting machine and ground base, with the revolving support be fixed on chassis and load-bearing frame (3), revolving support frame is fixed wtih can utilize the mechanism of weight own wt counterweight balance (4) form and it is characterized in that, its being fixedly connected with of suspension rod lower end is coiled and the outer straight mouth (6) in location, (7), insert be fixed on revolving support frame center suspension rod permanent seat (5) in straight mouth and join pin connection, be connected to lower of the hydraulic top (8) of revolving support front portion, be connected to the hydraulic top lower fulcrum (9) of revolving support front portion, when supporting suspension rod operation, first the hydraulic actuating cylinder of propping steeve is interior for high pressure liquid force feed, make hydraulic top with fulcrum (8) for lower support point, with fulcrum (9) for the upper strong point and jack-up suspension rod from the suspension rod rotated ninety degrees clockwise of horizontal on chassis bracket, until standing upright is in revolving support center, when supplying high pressure liquid force feed in the hydraulic actuating cylinder to the three joint assembled hydraulic tops be fixed in first segment suspension rod, under the effect of hydraulic top, make second section suspension rod stretch out in first segment suspension rod, arm pulls away with the arm cushion block (10) be fixed on first segment suspension rod and arm simultaneously, section three, suspension rod stretches out in second section suspension rod, second section suspension rod (12) in first segment suspension rod (11) and Section of three suspension rod (13) in second section suspension rod are stretched out suspension rod is all stretched out to reach the highest scope of work of lifting operation, the handing-over pin (14) utilizing Section of three suspension rod upper end to fix arm is subsequently fulcrum and Section of three suspension rod connecting pin (15) and hydraulic pressure top fulcrum and first segment arm (17) bottom suspension arm support hydraulic top, be sleeved on the second section arm (18) in first segment arm and be fixedly set in the lifting wire rope pulley group (19) of Section of three arm end in second section arm, the secondary suspension hook (20) of lifting and main suspension hook (21), before hoisting heavy, first suspension rod being stretched out is applicable to by the lifting of lifting object height, recycling support arm hydraulic top lower end and suspension rod join sells (15) for lower fulcrum, be connected to join with first segment arm with hydraulic pressure top and sell (16) for upper fulcrum, for high pressure force feed at night in hydraulic actuating cylinder, under the top lift effect of hydraulic top, make to be connected with suspension rod with the arm of suspension rod parallel upright to join and sell left-hand revolution 90 degree centered by (14), parallel the lying prone of arm is made to be connected on the top of the vertical suspension rod of Xing Cheng Xia font on suspension rod top, the parallel arm of support and connection (17), according to lifting object distance suspension rod centre distance, warp-wise hydraulic actuating cylinder is interior injects high pressure oil to utilize three joint combined liquids of arm (17) inner side to bear down on one, force first segment piston top masthead second section hoisting arm expansion joint second section piston top masthead Section of three hoisting arm expansion joint simultaneously of hydraulic actuating cylinder, thus achieve the luffing function of adjustment lifting operation scope, while the lifting of adjustment suspension rod and suspension arm variable-amplitude scope, utilize crane winch (47), the tightness of winch (48) synchronous adjustment two hoist ropes and two steel slide fasteners is adjusted with steel slide fastener, to keep suspension rod vertical, the parallel stable mode of operation of arm, when weight sling by suspension hook, the fixed pulley of footpath arm termination (19) pulls down arm and joins with suspension rod and arm and sells (14) fixed mount integrally for fulcrum, the coupling link (22) making first segment arm afterbody fix steel slide fastener is fixed on left side lever power arm brace (25) in the middle part of counterweight balancing mechanism by steel slide fastener to pull-up, make lever left power armed lever (26) the right lever moving arm (36) on equalizing gear and power armed lever (37) simultaneously by equal pulling force upwards, and to be fixed on (27) of both sides in the middle part of revolving support frame, (38) be fulcrum, make lever left resistance arm (28), pull bar (29) pulls down lever moving arm (30) above and through fulcrum (34) arm afterbody pulling force is upwards become downward pressure through fulcrum (31) resistance arm (32) limit lever moving arm (33) of upwards leaving behind and be pressed on the rear side corner bracket of the left side frame of revolving support frame, simultaneously same with lever left equal in pulling force upwards, draw right middle lever moving arm (36) and power armed lever (37) power upwards, right side central fulcrum (38) through being fixed on revolving support make resistance arm (39) pulled down by pull bar (40) above lever moving arm (41) with (42) for fulcrum through resistance arm (43) to pull-up right lower quadrant lever moving arm (44), on the corner frame on pull bar (44) right side after the fulcrum (45) be fixed on the right side of in the middle part of revolving support frame transfers downward pressure to and is pressed in revolving support frame, the counterweight balance machine that leverages combine is overlapped in the left and right of suspension rod each three in a word, all utilized weight own wt through suspension hook, hoist rope, with arm to suspension rod upper end for power arm, with suspension rod upper end with suspension rod for fulcrum, with suspension rod upper end to arm afterbody for resistance arm, when hang fishing sling weight time, play weight weight through hoist rope, to be that power arm is stressed pull down power arm and arm with boom tip fixed pulley, simultaneously to pressing down fulcrum and suspension rod upper end, and transfer resistance arm and arm afterbody to pull-up two steel slide fasteners, be fixed on left and right two lever moving arms in the middle part of the counterweight balancing mechanism in revolving support square frame-shaped frame central to pull-up while of two steel slide fastener lower ends, four angles that pulling force is upwards assigned to revolving support square frame frame by counterweight balancing mechanism are downward pressure, and in the middle part of square bearer left and right two fulcrums to be pulling force upwards offset by the downward pressure of suspension rod thus balance, by the many advantages of the foot that it makes use of mechanical structure, the suspension rod bearing supporting elevation adjustment hoisting height scope, lift arm that luffing adjusts lifting operation scope and separate and it is characterized in that with bearing, suspension rod, arm all have employed the solid drawn pipe large stressed uniform advantage of ability by bending, by three steel pipe combination on same triangle terminal pad, take full advantage of leg-of-mutton stability and three steel pipes are plugged on successively separately in corresponding steel pipe and realize telescopic more piece suspension rod, arm, solve tubular telescopic boom simultaneously, arm easily rotates the difficult problem that cannot locate, also use three steel tube end parts, formed central space is put with triangular portion, arrange and drive slip joint hydraulic top, not only make three steel pipe uniform force, turnover oil pipe is put in portion of being also convenient to and being connected and fixed of hydraulic control parts is convenient to maintenance management, utilize the own wt counterweight balancing mechanism of weight, improvement upgrading is carried out to the existing elevator machinery just widely used, concrete improved procedure: utilize the chassis of former elevator machinery and be fixed on the revolving support on chassis, the lower end of former suspension rod is retrofitted in the center of revolving support, remove the load hook on former suspension rod top, assembly pulley, hoist rope, newly increase more piece intussusception and combine telescopic arm and suspension arm support hydraulic top and annex, the upper end of suspension rod is connected to join the mode of selling with the middle part of arm, under the effect on support hydraulic pressure top, make arm and suspension rod form T-shaped be connected and be lifting operation state, it is folding mobile status under changing longitudinal side-by-side parallel situation into, hoisting hook is fished, assembly pulley, hoist rope is retrofitted to arm front end face, and with wire rope pulley group or steel slide fastener arm afterbody, be connected with the lever moving arm in the middle part of counterweight balancing mechanism, be used for transmitting and balance to counterweight balancing mechanism from playing the weight transmitting of weight, again by the Hydraulic Pump of all hydraulic system, control block hydraulic unit with, turnover oil pipe, hydraulic top and crane winch, rise and reset running block, steel rope is connected, check that the connection checking former parts and transformation back part is debugged reach renovation technique standard and normally use.
2. a rotary support bar and gib and trammel beam utilize the novel large of weight own wt counterweight balance, heavy-duty lifting machine, it is characterized in that, it mainly contains overall fixed underpan (1), balance with the adjustment being fixed on bottom, chassis and overlap hydraulic top (2) with four of ground engaging support, and the revolving support square frame frame (3) be fixed on chassis, lower end is fixed on the strut bar (63) of revolving support frame central, gib (64), trammel beam (65) and counterweight balancing mechanism (4) composition is characterized in that, it is centered by strut bar, the lower end (66) of strut bar is mounted in the center of revolving support frame, the front lower portion of strut bar is to join pin connection mode, be connected and fixed the lower end (68) of gib and drive the hydraulic top lower fulcrum 69 of gib luffing) go up fulcrum (70) strut bar rear lower to join pin connection mode, before and after upper fulcrum (72) post upper of hydraulic top lower fulcrum (71) being connected and fixed trammel beam lower end (67) and driven equilibrium bar luffing, corresponding both sides respectively connected a set of fixed pulley group (76), (77) two corresponding covers running block (75) are connected through many steel ropes, (78) gib upper rear and trammel beam upper-end front is connected to, between strut bar and gib two overlaps assembly pulleys and between strut bar and trammel beam, two steel ropes of two cover assembly pulleys are connected on the span winch (80) bottom strut bar, through span winch driving realizes gib and trammel beam while, synchronously, reverse luffing, the fixed pulley group (79) of gib upper end is connected to the running block in Crane hook through many hoist ropes, to be connected in the crane winch (81) bottom gib downwards along the gib back side through hoist rope, drive through winch and realize hoisting and hanging operation, the fixed pulley group (74) connected on rear side of trammel beam upper end is connected in running block (73) through many steel ropes, running block sockets in the middle part of counterweight balancing mechanism left to lower end steel slide fastener, on the power arm cylinder lever connecting rod (25) of right two cover levers, left and right two cover lever moving arm is all have a joint fixed knot cover to be filled with two joint slip joint (26) compositions, arrange a set of binodal hydraulic top in fixed knot to be used for driving two and to save the synchronous adjustment of slip joint and trammel beam luffing scope, ensure the running block that trammel beam upper end fixed pulley group connects through many steel ropes, with be connected and socket on counterweight balancing mechanism middle part, left and right lever moving arm sockets the vertical pulling force also transmitted upwards of a maintenance, be connected in the driving winch (82) bottom trammel beam through driving steel rope, the length realized between running block (73) that trammel beam upper end fixed pulley group (74) connects through many steel ropes is driven through winch, the adjustment of degree of tightness, to ensure that the steel slide fastener between the extendable lever power arm cylinder lever connecting rod (25) between gib (64) trammel beam (65) and trammel beam upper end fixed pulley group (74) to running block (73) in the middle part of steel rope and counterweight balancing mechanism keeps simultaneously, synchronous adjustment, when elevator machinery lifting operation, luffing hydraulic top and span winch (80) is utilized to drive gib and trammel beam simultaneously, with the reverse luffing of amplitude, the best lifting height of adjustment lifting operation and lifting operation scope, the fixed pulley group (74) of drawing anterior fixed pulley group (77) of post upper simultaneously to draw trammel beam upper-end front running block (75) to be connected and fixed through trammel beam upper rear through post upper rear portion fixed pulley group (76) through gib upper rear running block (78) when load hook (21) steel rope pulls down gib upper-end front fixed pulley group (79) while upwards retracts through many steel ropes and running block (73) left and right two lever moving arm cylinder lever connecting rod (25) turning counterweight balancing mechanism in frames through steel slide fastener, make the balance pivot being fixed on the strut bar left and right sides simultaneously by pulling force upwards, left and right lever resistance arm pulls down the left and right lever moving arm on top simultaneously, make lever left and right, the top fulcrum being fixed on revolving support frame front left right corner by downward pressure, the left and right lever resistance arm on top is upwards left behind the left and right lever moving arm in portion, make two fulcrums of the left and right sides, middle part being fixed on revolving support frame by pulling force upwards, resistance arm end has also been pressed on the rear portion left and right corner frame of revolving support frame by downward pressure simultaneously, well imagine that the own wt of weight passes to counterweight balancing mechanism (4) and through six cover leverages of left and right upper, middle and lower lifting power divided and join Give, the corner, front and back of the square frame-shaped frame on revolving support is by downward pressure, distribute to square frame central rack left and right sides on revolving support and strut bar left and right sides by pulling force upwards simultaneously, this power is simultaneously by counteracted by pressure that strut bar is downward, add corner simultaneously by downward pressure, the square frame-shaped frame of its whole revolving support is made to keep balance, its spy's is the strut bar that portion puts in revolving support frame, vertical centering control stands in the center of revolving support frame, front and back are the equidistant of setting, contour, Deng heavy, same luffing whim drives, equal luffing hydraulic top also simultaneously, same amplitude, counter motion luffing and antagonistic force of cancelling out each other, thus keep balance, counterweight balancing mechanism of the present invention for this reason, with large-scale, heavy-duty lifting machine, from mechanical structure to counterweight balance principle, all highlight heavy-duty lifting machine and increase considerably load-carrying ability, strengthen stability, improve the potentiality of safety, for towards large-scale, heavy-duty development pad has determined solid foundation and technical guarantee, utilize the technical scheme of weight own wt counterweight balancing mechanism, transformation and upgrade are carried out to the existing universal elevator machinery widely used, it is made to have increased considerably ability, the stability of lifting operation scope and lifting operation and safety, concrete improved procedure: the chassis and the revolving support that utilize former elevator machinery, the Chinese heart position bottom of former suspension rod being retrofitted to revolving support changes strut bar into, at the lower-end front portion of strut bar, gib is set, rear portion arranges trammel beam, the hydraulic top driving luffing is set in gib outer lower portion and trammel beam outer lower portion respectively, the driving winch of degree of tightness is connected with counterweight balancing mechanism with the whim of collaborative two bar luffings and adjustment trammel beam, steel rope, determine running block and steel slide fastener and be interconnected device, assemble the load hook of gib upper end, assembly pulley hoist rope, by the Hydraulic Pump of hydraulic efficiency pressure system, control cock, oil-feed, oil return pipe, hydraulic top is interconnected, check and check whole original design parts and the connection of reequiping parts, debugging reaches renovation technique standard and normal use.
3. a fixed pedestal bar, rotate gib and trammel beam, and utilized the super large heavy-duty lifting machine of weight own wt counterweight balancing mechanism, its load-carrying ability can from a few kiloton to ton up to ten thousand not etc., the equal super large of weight is amassed by lifting objects, overweight, superelevation, lifting operation scope is larger, higher, lifting operation component difficulty is large, in general in hoisting process, storm can be run into unavoidably, the surprise attack of typhoon, the strut bar that the elevator machinery of positive lifting operation is higher may be made, gib, trammel beam light swing unbalance damage slewing bearing cause the accident, weigh and make that elevator machinery is overall unbalancely topples over generation grave accident, for closing the generation of exempting from this type of accident, ensure the surprise attack bearing rough weather when lifting operation, ensure the safety of elevator machinery and a weight, super large heavy-duty lifting machine of the present invention for this reason, the basis of former large heavy-duty lifting machine makes an adjustment optimization again further to structure, strengthen balance and stability measure, enhance the stability safety of lifting operation, load-carrying ability and lifting operation scope are increased considerably, make it improve from large heavy New crane machinery to upgrade to, ultra-large type, superduty New crane machinery is characterized in that, it is former large heavy New crane machinery, the strut bar lower end being mounted in revolving support center is separated with revolving support, the pipe that strut bar lower end large-diameter steel pipe or cast steel are made is made terminal pad, the inner disc of revolving support is reaction plate, outer disk is for rotating Moving plate.The external diameter of pipe is standard according to slewing bearing inner disc internal diameter, through lathe fine limit work, in the mode of tighter free-running fit, strut bar lower end tubular terminal pad is inserted in slewing bearing inner disc inner circle, and be fixed as one with the chassis of elevator machinery or ground base, namely strut bar passes with comparatively flush fit gap and fixes in slewing bearing inner disc inner circle, and then be directly connected and fixed with the chassis of elevator machinery or basis, and the pressure that strut bar transmission is got off is directly passed to chassis or ground base, the rotating disk of price fixing and Moving plate bearing is had at the upper end build-in one of strut bar, the inner disc of rotating disk is reaction plate, the lower end of reaction plate to be fixedly connected on post upper terminal pad and to interfix, the upper end of price fixing is connected and fixed support masthead, support on masthead and be welded and fixed the steel plate disk of 30 to six ten millimeters thick, above steel plate disk circumferentially, the mode of dividing equally 360 deg circumference with 30 degree is welded and fixed 12 equally spaced connection annulus, each annulus is respectively connected and fixed one and can bears 50 tons with the steel slide fastener of upper pulling force, the lower end steel rope of steel slide fastener and the tight rope winch of adjustment tightness of steel wire rope, tight rope winch is fixed on ground earth anchor, load-bearing earth anchor all can possess the pulling force bearing more than 30 tons or 50 tons, adopt to be connected with the load-bearing earth anchor on ground through tight rope winch with three of 102 degree of equal circumference steel slide fasteners and steel rope and be strained and fixed, be used for protecting the change in weather when lifting operation, when there being the surprise attack of storm or typhoon, as elevator machinery just lifting weight be just suspended on high aerial when, ensure the safety and stability of lifting operation to greatest extent, guarantee the safety of super large heavy-duty lifting machine and a weight, concrete Bian is with being connected in 12 steel slide fasteners of supporting bar top for this reason, wherein at a distance of three steel slide fasteners of angle 120 degree, steel rope through connecting and tight rope winch to be connected with ground load-bearing earth anchor and to be strained and fixed, when lifting operation is in luffing and rotary course, the lifting object of gib and trammel beam upper end, with the steel slide fastener or the steel rope that are connected counterweight balancing mechanism, strain in the three root guard ropes be connected to the load-bearing earth anchor on ground when rotating to from supporting bar top under rotary support drives, when wherein a steel slide fastener or steel rope hinder gib or trammel beam to rotate, first temporarily stop the rotation lifting operation, with the protective pull rope position rotated according to obstruction, the last upper end to hand of rotation is connected to the protective rope for subsequent use that plays that post upper disk lets droop, and with the totally three root guard stay cords of this protective pull rope each phase cell 102 degree of positions forwards, backwards, after tight rope winch adjustment tension connects and is fastening on mutually corresponding ground earth anchor, again former three root guard stay cords are removed the three root guard ropes using instead and newly fix to bear protection task, lifting operation could be started, and according to the anglec of rotation of lifting operation actual needs, the angle of exchanging protective rope successively implements protection, to guarantee that under adverse weather condition Bian gets emergent prevention scheme and carrys out safety and stability and complete lifting operation task, also Bian has got the outer disk of post upper rotating disk is Moving plate, can around strut bar 360 deg reciprocating rotary, the fixed pulley group (76) of two before and after former strut bar, (77) running block is changed into, and be fastened on separately, on the both sides that the Moving plate of post upper rotating disk is corresponding, on two correspondence positions of i.e. rotating disk Moving plate diameter excircle, originally the running block (78) being fixed on gib upper end is changed into fixed sliding group to be fixed on inside gib upper end and the driving steel rope fixed pulley connected downwards through gib lower end is redirect to strut bar lower end fixed pulley and turn to again and be connected in the former winch (80) of strut bar lower end, again former for trammel beam running block (75) being changed into fixed pulley group is fixed on inside trammel beam upper end, and driving steel rope is redirect to strut bar lower end fixed pulley through the fixed pulley of trammel beam lower end downwards turn to again and be connected in the former winch in strut bar lower end (80), two steel ropes in the driving whim (80) of i.e. strut bar lower end drive two steel ropes of gib and trammel beam luffing still to share a winch (80) and simultaneously respectively, synchronously, gib and trammel beam two bar is driven respectively simultaneously by two steel ropes with amplitude, synchronously, with amplitude reversing sense luffing, but after two steel ropes must change into and drawing in winch (80) wiring drum, respectively through a fixed pulley two steel ropes are side by side changed into and put towards the right counter-portion of a first from left, a fixed pulley in gib bottom turns to and is connected in luffing fixed pulley group, another steel cable turns to through the fixed pulley of trammel beam bottom and is connected in the fixing luffing fixed pulley group in trammel beam upper end, the while of realizing gib and trammel beam under the driving driving strand, synchronously, with amplitude reversing sense luffing and hoisting and hanging operation, fix a vertical shaft the bottom, four angles of revolving support square frame frame is each, vertical shaft lower end is fixed in the middle of a flat axle and forms the shape of Daoing Xia, each assembling one BOGEY WHEEL on the flat axle in vertical shaft left and right, corner is altogether by filling eight BOGEY WHEELs, eight BOGEY WHEEL rollings are fixed on the round circular orbit on elevator machinery chassis, eight BOGEY WHEELs of revolving support frame corner are fixed on when lifting operation, rolling to be fixed on elevator machinery chassis on round circular orbit and with revolving support simultaneously, synchronously, rotating in same direction, simultaneously gib and the downward pressure of trammel beam are passed on elevator machinery chassis with slip move mode, pass to through chassis in ground or ground base, it not only significantly alleviates the load of slewing bearing, also add the major diameter revolving support of taking turns rolling annular track-type than eight of large two or three times of slewing bearing strong point diameter, add the stable of lifting operation and safety, the cardinal principle of weight own wt counterweight balance and technical characteristic has been utilized mainly to withdraw deposit, when load hook slings weight with play weight equiponderant power pull down gib upper end through crown block group, this power part is passed to passback downwards through gib and is supported, another part draws the anterior running block of post upper through gib upper rear fixed pulley group, draw trammel beam upper-end front fixed pulley group through post upper rear portion running block simultaneously, through the fixed pulley group that trammel beam upper rear is connected and fixed, through many steel ropes and running block, upwards retracting through steel slide fastener turns in frames, two lever moving arm cylinder lever connecting rods about counterweight balancing mechanism, make the balance pivot being fixed on the strut bar left and right sides simultaneously by pulling force upwards, left and right lever resistance arm pulls down the left and right lever moving arm on top simultaneously, make lever left and right, the top fulcrum being fixed on revolving support frame front left right corner by downward pressure, the left and right lever resistance arm on top is upwards left behind the left and right lever moving arm in portion, make two fulcrums of the left and right sides being fixed on revolving support central rack by pulling force upwards, resistance arm end has also been pressed on the rear portion left and right corner frame of revolving support frame by downward pressure simultaneously, well imagine that the own wt of weight passes to counterweight balancing mechanism and through six cover leverages of left and right upper, middle and lower lifting power divided and join Give, the corner, front and back of the square frame-shaped frame on revolving support is by downward pressure, distribute to square frame central rack left and right sides on revolving support and strut bar left and right sides by pulling force upwards simultaneously, this power is simultaneously by counteracted by pressure that same square bearer corner is downward, the square frame-shaped frame of its whole revolving support is made to keep balance, its spy's is the strut bar that portion puts in revolving support frame, vertical centering control stands in the center of revolving support frame, front and back are the equidistant of setting, contour, Deng heavy, same luffing whim drives, equal luffing hydraulic top also simultaneously, same amplitude, counter motion luffing and antagonistic force of cancelling out each other, thus keep balance, the counterweight balancing mechanism of half invention for this reason, and ultra-large type, heavy-duty lifting machine, from mechanical structure to counterweight balance principle, all highlight heavy-duty lifting machine and increase considerably load-carrying ability, strengthen stability, improve the potentiality of safety, for towards large-scale, heavy-duty development pad has determined solid foundation and technical guarantee, stability and the safety of load-carrying capacity and lifting operation have been increased considerably for this reason.
4. the invention elevator machinery of utilization weight own wt counterweight balancing mechanism according to claim 1, be applicable to various stationary crane tool, or various moving wheeled type elevator machinery, or various mobile its feature of crawler crane tool is, it eliminate the need huge mass, significantly alleviate the own wt of elevator machinery, decrease the radial direction that slewing bearing bears, how negative axially loaded is, with the increase and decrease of the own wt according to risen weight, simultaneously, synchronously automatically increase or decrease real its of required counterweight and keep balance, improve and drawn together greatly the stability of lifting operation, scope of work, reduce manufacturing cost, load-carrying ability and lifting operation safety are increased substantially.
5. utilization according to claim 1 plays weight own wt, the derrick carrying out the New crane machinery of counterweight balancing mechanism is characterized in that, what it took full advantage of steel cylindrical tube bears the large stressed uniform advantage of crooking ability, with leg-of-mutton stability, use triangular steel plate terminal pad, be mounted on one piece of triangular steel plate end face equidistant for three Steel pipe end surfaces, and keep three steel pipes parallel longitudinal, form single-unit suspension rod or the arm of triangle end face, and successively three steel pipes of Section of three suspension rod or arm are inserted in second section suspension rods or three steel pipes corresponding to arm, three steel pipe correspondences of second section suspension rod or arm are inserted in three steel pipes of first segment suspension rod or arm, also actv. solves column type steel pipe when doing telescopic boom or arm, the difficult problem easily rotated and cannot locate, the telescopic lifting of more piece suspension rod or arm is achieved under the effect driving hydraulic top, luffing function, utilize the central space between three pipes that the hydraulic top driving suspension rod or hoisting arm expansion is set, make three steel pipe uniform force, be convenient to be connected and fixed into, go out hydraulic oil pipeline and hydraulic control parts, be more conducive to maintenance.
6. the suspension rod of New crane machinery according to claim 1 and arm is characterized in that, it is with steel plate, solid drawn pipe or spiral steel pipe or the manufacture of high strength finance manufacture of materials.
7. the suspension rod of New crane machinery according to claim 1 is characterized in that, its lower end is connected and fixed with collapsible is mounted on the suspension rod base of revolving support frame central to join pin mode, and when lifting operation, suspension rod remains that standing upright carries the scope of work of adjustment hoisting height at the center of revolving support.
8. the arm of New crane machinery according to claim 1 is characterized in that, arm when lifting operation all the time level connection joint be fixed on the top of suspension rod, and bear luffing adjustment lifting operation scope.
9. utilization according to claim 1 plays the counterweight balancing mechanism of weight own wt, with steel plate, shaped steel, or various metallic material is through welding or forging or Foundry Production manufacture, utilize it can carry out repacking upgrading to the existing elevator machinery just widely used it is characterized in that, utilize half invention counterweight balancing mechanism to align the elevator machinery widely used to improve, it is made to expand range of use, increase load-carrying ability and improve lifting operation safety, the own wt counterweight balancing mechanism of weight has been utilized to carry out improvement upgrading to the existing elevator machinery just widely used, concrete improved procedure: utilize above the chassis of former elevator machinery and chassis and be mounted with power, hydraulic efficiency pressure system, winch, revolving support, suspension rod etc., the lower end of former suspension rod is retrofitted in the center of revolving support, remove the load hook on former suspension rod top, assembly pulley, hoist rope, former suspension rod is changed into strut bar, newly increase more piece intussusception and combine telescopic arm and suspension arm support hydraulic top and annex, the upper end of strut bar after repacking is connected to join the mode of selling with the middle part of arm, and support hydraulic pressure top is set is connected is lifting operation state to drive arm and strut bar to form T-shaped, it is folding mobile status under changing longitudinal side-by-side parallel situation into, hoisting hook is fished, assembly pulley, hoist rope is retrofitted on arm prosthomere front end, the rear afterbody wire rope pulley group of arm or steel slide fastener are connected with the lever moving arm in the middle part of counterweight balancing mechanism, be used for transmitting and balance to counterweight balancing mechanism from playing the weight transfer of weight, by the Hydraulic Pump of all hydraulic system, control block hydraulic unit with, turnover oil pipe, hydraulic top and crane winch, rise and reset running block, steel rope is connected and to original design parts, carry out checking with the connection of repacking parts and to the connection of whole original design parts with repacking parts, assembling, adjustment reaches the technical scheme of repacking and normal use standard.
10. large-scale, the heavy-duty lifting machine partly invented of the own wt counterweight balancing mechanism of utilization weight according to claim 2 is characterized in that, its this counterweight balancing mechanism is applicable to the counterweight balance of various stationary crane tool or various moving wheeled type elevator machinery or various mobile crawler crane tool.
11. novel larges according to claim 2, heavy-duty lifting machine is characterized in that, it not only make use of the own wt of weight, by counterweight balancing mechanism actv., counterweight balance is carried out to elevator machinery, also fully science utilize mechanical structure, fundamentally solve transmission and the balance of power and power, take and set up defenses in depth, Dui Ying Arrived disappears step by step, thinking all linked with one another, the center at revolving support is put in strut bar portion, the front and back of strut bar are equidistant, contour, etc. weight, mutually correspondence is gib rear portion in the front portion of strut bar is trammel beam, the hydraulic actuating cylinder of the support drive luffing of gib and trammel beam is all same model, concentricity distance, each outside before and after being oppositely arranged on the mutual correspondence of angle, gib and trammel beam not only with same span winch also with the retractable lever power arm on counterweight balancing mechanism simultaneously, synchronous with amplitude luffing, the while of remaining power arm and the resistance arm of gib and trammel beam, synchronously, with amplitude increase and decrease but contrary all portions, the direction of variation put on same straight line He on same plane that negative interaction power makes it balance so Xiang Hu Arrived has disappeared.
12. utilizations according to claim 2 play the novel large of weight own wt counterweight balancing mechanism, heavy-duty lifting machine is characterized in that, its strut bar and gib and trammel beam, being all fixed in a plane in revolving support frame, can taking the strut bar being fixed in revolving support frame, gib and trammel beam and annex are all fixed on fixed mount in one plane, and in the frame of revolving support, arrange one fixingly to sit, with fixed pedestal bar, gib, the fixed frame of trammel beam is connected with the connection mode joining pin, can strut bar through handing-over pin, gib, trammel beam folded parallel arranged side by side is on mobile chassis Support bracket, and folding locomotive function of having withdrawn deposit has drawn together greatly range of use, its strut bar, gib, the metallic material manufacture of trammel beam shaped steel or high strength forms, and can manufacture regular length or height, also can manufacture according to practical use the strut bar that many single-units are combined into, gib, trammel beam, several single-unit bars through being connected and fixed assembled formation, can according to lifting height, crane operation scope determines strut bar, gib, the height of trammel beam, or length or manufacture strut bar, in gib and trammel beam, multisection hydraulic top driving flexible adjustment strut bar is set, gib, the height of trammel beam or length actv. add operation function and expand range of use.
The technical scheme that 13. utilizations according to claim 2 play weight own wt counterweight balancing mechanism adapts to existing just widely used various large-scale, the transformation and upgrade of heavy-duty lifting machine is characterized in that, half invention counterweight balancing mechanism is utilized to improve the existing elevator machinery just widely used, load-carrying ability can be increased considerably, expand range of use, improve lifting operation safety, utilize weight own wt counterweight balancing mechanism, carried out improving the concrete improved procedure of upgrading to the important heavy-duty lifting machine widely used: utilize the power on the chassis of former elevator machinery and chassis, hydraulic efficiency pressure system, winch, hoist rope, determine movable pulley revolving support, suspension rod etc., the center lower end of former suspension rod being retrofitted to revolving support changes strut bar into, arranges gib at the lower-end front portion of strut bar, rear portion arranges trammel beam, arranges respectively drive the whim of the hydraulic top of luffing and collaborative two bar luffings and adjust trammel beam to be connected degree of tightness driving winch with counterweight balancing mechanism in gib outer lower portion and trammel beam outer lower portion, steel rope, determine running block and steel slide fastener and be interconnected device, assembling the load hook of gib upper end, assembly pulley hoist rope, by the Hydraulic Pump of hydraulic efficiency pressure system, control cock, oil-feed, oil return pipe, hydraulic top is interconnected, and checks whole original design parts and the connection of reequiping parts, assembling, adjustment reaches the technical scheme of repacking and normal use standard.
14. half inventions according to claim 3 utilize the super large heavy-duty lifting machine of self hoisting capacity counterweight balancing mechanism it is characterized in that, it is specially adapted to various fixed type super-big and overweight heavy-duty lifting machine, or moving wheeled type lifting tool and mobile crawler type super-big and overweight heavy-duty lifting machine.
15. half inventions according to claim 3 utilized the super-big and overweight heavy-duty lifting machine of weight own wt counterweight balancing mechanism it is characterized in that in, its strut bar, gib and trammel beam and counterweight balance machine, produce through welding, forging, the shaping manufacture of cast steel with each steel plate shaped steel or various metallic material.
The strut bar of 16. super large heavy-duty lifting machines according to claim 3, gib and trammel beam is characterized in that, it is specified the Beijing South Maxpower Technology Co. Ltd according to elevator machinery, lifting height and lifting operation scope, manufacture into strut bar joint, gib joint and trammel beam joint, strut bar, gib, the both ends of the surface of trammel beam bar joint can do triangularity, square, oblong, circular, semicircle or oval, the two ends connection of every pole is connected and fixed to join pin mode, or be connected and fixed with mouth connection mode straight inside and outside flange, or with large-diameter steel pipe, large-diameter steel pipe two ends are welded and fixed heavy caliber integral (type) flange terminal pad, one end of Flange joint dish is straight mouth in inner circle, the other end is the outer straight mouth of cylindrical, when two strut bars joint or two gibs or two trammel beams joints, when being interconnected, in the inner circle outer straight for end flange terminal pad cylindrical mouth being inserted another joint end flanges terminal pad in straight mouth, clamp flange dish bolt of rear end plate, two Flange joint dishes are connected and fixed be integrated, namely two joint strut bars joints or two joint gibs joints or two joint trammel beams joints are interconnected and are integrated, so successively more piece strut bar is saved, more piece gib joint and more piece trammel beam joint are interconnected and fixed, form overall gib that the integrated support bar that is combined into of more piece or more piece be combined into or the whole machine balancing bar that more piece is combined into.
17. half inventions according to claim 3 utilize own wt counterweight balance machine it is characterized in that, the present invention has utilized weight weight counterweight balancing mechanism to be pass through welding or the manufacture of forging cast shaping process with various shaped steel or various metallic material, is interconnected by handing-over pin connection mode.
18. utilizations according to claim 3 play the strut bar of the ultra-large type heavy-duty lifting machine of the own wt counterweight balancing mechanism of weight, gib and trammel beam is characterized in that, it can according to the purposes of elevator machinery, load-carrying ability, lifting operation scope and lifting altitude range, determine strut bar, the length of gib and trammel beam or height can make regular length or standing height or the increase and decrease of many single-units bar combination adjustable highly, length, or manufacture more piece and be set with superimposed successively, and drive telescopic strut bar or gib and trammel beam with multisection hydraulic top, realize lifting altitude range or the flexible luffing adjustment lifting operation scope of flexible adjustment elevator machinery, draw together the efficiency that the range of use having opened up elevator machinery improves lifting operation for this reason.
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| CN201510655716.XA CN105110213A (en) | 2015-10-12 | 2015-10-12 | Crane provided with counterweight balance mechanism adopting dead weight of hoisted object as well as crane transformation scheme |
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| CN106628331A (en) * | 2016-11-14 | 2017-05-10 | 浙江双林机械股份有限公司 | Winding mechanism |
| CN108775248A (en) * | 2018-07-18 | 2018-11-09 | 湖南进军隧道智能装备有限公司 | A kind of excavation stand hangs translation mechanism |
| CN108946472A (en) * | 2018-08-08 | 2018-12-07 | 长沙中联恒通机械有限公司 | One kind is hung down pull-type boom hoisting and crane |
| CN111498708A (en) * | 2020-05-14 | 2020-08-07 | 彭敬 | Multidirectional hoisting equipment for heavy truck |
| CN112978585A (en) * | 2021-02-24 | 2021-06-18 | 殷智勇 | Electron tube self-counterweight hoisting platform equipment |
| CN113349150A (en) * | 2021-07-20 | 2021-09-07 | 中国水产科学研究院东海水产研究所 | Transport ship for pseudosciaena crocea relay culture |
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| CN114414405A (en) * | 2022-01-17 | 2022-04-29 | 中国矿业大学 | Vertical force applying equipment and method for open-pit mine rock in-situ test |
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| CN106185370B (en) * | 2016-08-18 | 2018-08-07 | 武汉地和智能有限公司 | A kind of harbour automatic loading/unloading conveying device |
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| CN114414405B (en) * | 2022-01-17 | 2023-12-05 | 中国矿业大学 | Strip mine rock in-situ test vertical force application device and application method |
| CN114414405A (en) * | 2022-01-17 | 2022-04-29 | 中国矿业大学 | Vertical force applying equipment and method for open-pit mine rock in-situ test |
| CN117228561A (en) * | 2023-11-14 | 2023-12-15 | 河南省晟源起重机械有限公司 | Large-tonnage crane with rollover prevention system |
| CN117228561B (en) * | 2023-11-14 | 2024-02-02 | 河南省晟源起重机械有限公司 | Large-tonnage crane with rollover prevention system |
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